Effectiveness Comparison of 3D-Printed and Conventional Ear Tip Comfort in Individuals With Hearing in the Normal Range
Recruiting
N/A
Interventional Study
Hearing Aids
3D Printing
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
At a Glance
- Age
- 18 – 89
- Sex
- Any
- Study type
- Interventional
- Purpose
- Treatment
- Participants needed
- 30 (estimated)
- Sponsor
- University of Arizona · Other
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About This Trial
Access to affordable and timely hearing healthcare remains a major challenge for many individuals, partly due to the high cost and long turnaround time. This study will explore whether 3D-printed ear tips perform as well as or better than standard ear tips in terms of sound quality, comfort, and fit. It will also compare how long each method takes to make and how much each costs.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* Normal hearing thresholds (\<25 dB HL) at octave frequencies from 250-8000Hz.
* Normal otoscopy: patent ear canals with normal appearing eardrums and aerated middle ear, bilaterally.
* English speaking.
Exclusion Criteria:
* history of extensive or current outer or middle ea…
Contacts